(SPOJ) 10868 - Chuva - Solução

import java.io.*;
import java.util.*;

class Main {
    public static void main(String[] args) throws NumberFormatException, IOException {
        Main processando = new Main();
        processando.processa();
       
        System.exit(0);
    }
   
    void processa() throws NumberFormatException, IOException {
        String line = "";
       
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

        line = br.readLine();
        StringTokenizer tokenizer = new StringTokenizer(line);
        int dimensao = Integer.valueOf(tokenizer.nextToken());
       
        int[][] matriz = new int[dimensao][dimensao];
        for (int i = 0; i < dimensao; i++) {
            line = br.readLine();
            tokenizer = new StringTokenizer(line);
            for (int j = 0; j < dimensao; j++) {
                matriz[i][j] = Integer.valueOf(tokenizer.nextToken());               
            }
        }
       
        for (int i = 0; i < dimensao; i++) {
            line = br.readLine();
            tokenizer = new StringTokenizer(line);
            for (int j = 0; j < dimensao; j++) {
                matriz[i][j] += Integer.valueOf(tokenizer.nextToken());               
            }
        }
       
        for (int i = 0; i < dimensao; i++) {
            for (int j = 0; j < dimensao; j++) {
                if (j == dimensao-1) {
                    System.out.print(matriz[i][j]);
                }
                else {
                    System.out.print(matriz[i][j] + " ");               
                }
            }
            System.out.println();
        }
               
        return;
    }
}